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• ASP.NET Session StateServer - is it possible to extract info about current sessions?

  - by Moe Sisko

  I'm looking into changing the ASP.NET session state mode of our application from SQLServer to StateServer (for performance reasons). In SQLServer mode, it is easy to extract information about the current sessions by querying SQL Server tables like ASPStateTempSessions. e.g. things like when each session was created, when it is due to expire, etc. You could even query the session state blob data to extract further application specific info (e.g. like the UserID, if it was saved in session state). This info was useful for administrators. Just wondering if anyone has managed to do something similar for StateServer mode.

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• UITableViewCell select even doesn't work

  - by saimun

  I had a page control(UIPageControl) on a view (UIViewController) with table view (UITableView) on each page, each page have own table and can go to different view controller. i add the codes in "didSelectRowAtIndexPath" which can go to next level, is works perfect when i test it in a table view by itself, but it doesn't works when i have page controller with it. - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { [tableView deselectRowAtIndexPath:indexPath animated:YES]; if (pageNumber == 0) { PicturesViewController *picturesView = [[PicturesViewController alloc] init]; [self.navigationController pushViewController:picturesView animated:YES]; [picturesView release]; } else if (pageNumber == 1) { PictureDetailViewController *pictureDetailView = [[PictureDetailViewController alloc] init]; [self.navigationController pushViewController:pictureDetailView animated:YES]; [pictureDetailView release]; } else if (pageNumber == 2) { MessagesViewController *messagesView = [[MessagesViewController alloc] init]; [self.navigationController pushViewController:messagesView animated:YES]; [messagesView release]; } } here is the code, if view directly to this table view this code is work, how can i make it work under the pagecontrol??

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• Loading LLVM passes on Cygwin

  - by user666730

  I am trying to write an LLVM pass on Windows using Cygwin. When I make the project, a dll gets created in the Release/bin directory instead of a .so file in the Release/lib directory. The latter is what is shown in the LLVM document. When I try to load this dll using the -load flag, nothing happens. $opt -load ../../../Release/bin/Pass.dll -help The pass that I am trying to load isn't printed after this. How do I get this right?

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• How Does the VS 2010 web.config work?

  - by chobo2

  Hi I am just wondering in VS2010 the web.config is broken up into web.config web.debug.config web.release.config So from what I gathered is the web.config is just like the master template. So I am guessing in my debug I could put things like my local database where in my release one I would put my server database. Now how does it know when to use the release version or debug version? I also here that you can have more than 2. How does that work?

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• In a SQL XDL File, how do I read the waitresource attribute on process nodes which are deadlocking?

  - by skimania

  On SQL Server 2005, I'm getting a deadlock when updating two different keys in the same table. note from below that these two waitresources have the same beginning part, but different ending parts. waitresource="KEY: 6:72057594090487808 (d900ed5a6cc6)" and waitresource="KEY: 6:72057594090487808 (d900fb5261bb)" These two keys are locking, and I need to figure out why. The question: If the values in parenthesis are different, why are the first half of the key's the same? <deadlock-list> <deadlock victim="processffffffff8f5863e8"> <process-list> <process id="processaf02f8" taskpriority="0" logused="0" waitresource="KEY: 6:72057594090487808 (d900fb5261bb)" waittime="2281" ownerId="1370264705" transactionname="user_transaction" lasttranstarted="2010-06-17T00:35:25.483" XDES="0x69453a70" lockMode="U" schedulerid="3" kpid="7624" status="suspended" spid="339" sbid="0" ecid="0" priority="0" transcount="2" lastbatchstarted="2010-06-17T00:35:25.483" lastbatchcompleted="2010-06-17T00:35:25.483" clientapp=".Net SqlClient Data Provider" hostname="RISKBBG_VM" hostpid="5848" loginname="RiskOpt" isolationlevel="read committed (2)" xactid="1370264705" currentdb="6" lockTimeout="4294967295" clientoption1="671088672" clientoption2="128056"> <executionStack> <frame procname="MKP_RISKDB.dbo.MarketDataCurrentRtUpload" line="14" stmtstart="840" stmtend="1220" sqlhandle="0x03000600005f9d24c8878f00849d00000100000000000000"> UPDATE c WITH (ROWLOCK) SET LastUpdate = t.LastUpdate, Value = t.Value, Source = t.Source FROM MarketDataCurrent c INNER JOIN #TEMPTABLE2 t ON c.MDID = t.mdid; -- Insert new MDID </frame> <frame procname="adhoc" line="1" sqlhandle="0x010006004a58132228bf8d73000000000000000000000000"> MarketDataCurrentBlbgRtUpload </frame> </executionStack> <inputbuf> MarketDataCurrentBlbgRtUpload </inputbuf> </process> <process id="processffffffff8f5863e8" taskpriority="0" logused="0" waitresource="KEY: 6:72057594090487808 (d900ed5a6cc6)" waittime="2281" ownerId="1370264646" transactionname="user_transaction" lasttranstarted="2010-06-17T00:35:25.450" XDES="0x1cb72be8" lockMode="U" schedulerid="5" kpid="1880" status="suspended" spid="287" sbid="0" ecid="0" priority="0" transcount="2" lastbatchstarted="2010-06-17T00:35:25.450" lastbatchcompleted="2010-06-17T00:35:25.450" clientapp=".Net SqlClient Data Provider" hostname="RISKAPPS_VM" hostpid="1424" loginname="RiskOpt" isolationlevel="read committed (2)" xactid="1370264646" currentdb="6" lockTimeout="4294967295" clientoption1="671088672" clientoption2="128056"> <executionStack> <frame procname="MKP_RISKDB.dbo.MarketDataCurrent_BulkUpload" line="28" stmtstart="1062" stmtend="1720" sqlhandle="0x03000600a28e5e4ef4fd8e00849d00000100000000000000"> UPDATE c WITH (ROWLOCK) SET LastUpdate = getdate(), Value = t.Value, Source = @source FROM MarketDataCurrent c INNER JOIN #MDTUP t ON c.MDID = t.mdid WHERE c.lastUpdate &lt; @updateTime and c.mdid not in (select mdid from MarketData where BloombergTicker is not null and PriceSource like &apos;Live.%&apos;) and c.value &lt;&gt; t.value </frame> <frame procname="adhoc" line="1" stmtstart="88" sqlhandle="0x01000600c1653d0598706ca7000000000000000000000000"> exec MarketDataCurrent_BulkUpload @clearBefore, @source </frame> <frame procname="unknown" line="1" sqlhandle="0x000000000000000000000000000000000000000000000000"> unknown </frame> </executionStack> <inputbuf> (@clearBefore datetime,@source nvarchar(10))exec MarketDataCurrent_BulkUpload @clearBefore, @source </inputbuf> </process> </process-list> <resource-list> <keylock hobtid="72057594090487808" dbid="6" objectname="MKP_RISKDB.dbo.MarketDataCurrent" indexname="PK_MarketDataCurrent" id="lock64ac7940" mode="U" associatedObjectId="72057594090487808"> <owner-list> <owner id="processffffffff8f5863e8" mode="U"/> </owner-list> <waiter-list> <waiter id="processaf02f8" mode="U" requestType="wait"/> </waiter-list> </keylock> <keylock hobtid="72057594090487808" dbid="6" objectname="MKP_RISKDB.dbo.MarketDataCurrent" indexname="PK_MarketDataCurrent" id="lockffffffffb8d2dd40" mode="U" associatedObjectId="72057594090487808"> <owner-list> <owner id="processaf02f8" mode="U"/> </owner-list> <waiter-list> <waiter id="processffffffff8f5863e8" mode="U" requestType="wait"/> </waiter-list> </keylock> </resource-list> </deadlock> </deadlock-list>

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• Building an array of arrays

  - by iFloh

  I am trying to get the following loop working to fill an array of arrays: while (condition) { [itemsArray fillFromDB]; if (! [checkArray containsObject:checkFlag]) { // Add existing itemsArray to myArray if (itemsArray.count) { // add the itemsArray to myArray and create a new instance of itemsArray [myArray addObject:itemsArray]; [itemsArray release]; NSMutableArray *itemsArray = [[NSMutableArray alloc] init]; } [itemsArray addObject:myObject]; [checkArray addObject:checkFlag]; } else { [itemsArray addObject:tmpEvent]; } } However I try to shape this loop it falls over the release of itemsArray when I use release (as above), the array does not re-initialise as a new instance with alloc. Whilst expecting emptyness, the next Object is added to the old array. when I use removeAllObjects, my Array is emptied and so is the array attached to myArray. Where am I going in the wrong direction?

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• How does unbundle work

  - by Ashithraj

  Before explaining my problem let me tell you the Mercurial setup, We have the following repos, RELEASE DEVELOPMENT BUGFIX All the above repo are running on a central server using IIS and hgwebdir.cgi Now coming to the problem, I clone a local repo from DEVELOPMENT repo. I make changes to the clone and commit (Not push). I make a bundle from the clone and pass the bundle to QA who has cloned the RELEASE repo. Now I try to apply the bundle to the RELEASE repo clone using hg unbundle I get an error, abort: error: ftp error: no host given What am I doing wrong? Can you give solution to the above problem keeping a Windows setup in mind?

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• Visual C++ application/libarary size anomoly

  - by Tim Ring

  This is just a bit of a general question regading app/lib file sizes. When I build a particular library in my C++ solution I notice that the .lib file size is larger in the release build than in the debug (1.2mb Vs 800k). However when I build an app in the same solution, using the aforementioned library, the release .exe is always smaller (as I'd expect) than thew debug .exe (50k vs 200k). I would always have expected the release verisons of anything to be smaller than the debug versions. What gives?

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• How do you put an "IF DEBUG" condition in a c# program?

  - by xarzu

  How do you put an "IF DEBUG" condition in a c# program so that, at run time, it will ignore a set of code if you are running in Debug mode and yet, execute a block of code if the program is not running in debug mode? A situation where this can be used is if a time stamp is taken at the start of a block and another time stamp is taken at the end. THey will hardly differ at run time. Yet, if you are stepping through the code in debug mode, they will differ a lot, and error conditions in an "if block" might be kicked off leading to the untimely (pun) execution of some code.

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• Obj-C memory management for an NSView * instance variable

  - by massimoperi

  My custom view has a subview as an instance variable. Here is a sample interface: @interface MyCustomView : NSView { NSView *aSubview; } @end Then, in the .m file, I initialize aSubView and add it to the custom view. - (id)init { self = [super initWithFrame:CGRectMakeFrame(0.0, 0.0, 320.0, 480.0); if (self) { aSubview = [[NSView alloc] initWithFrame(0.0, 0.0, 100.0, 100.0); [self addSubview:aSubview]; } return self; } Where should I release aSubView? In the -dealloc method? - (void)dealloc { [aSubView release]; [super dealloc]; } Or directly after adding it to the custom view in the -init method? - (id)init { [...] [self addSubview:aSubview]; [aSubview release]; [...] } Which one is the best implementation?

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• What is a good way to simulate O_NOFOLLOW on systems without this flag?

  - by Daniel Trebbien

  I would like to safely be able to simulate open with O_CREAT | O_WRONLY | O_TRUNC | O_NOFOLLOW and O_CREAT | O_WRONLY | O_APPEND | O_NOFOLLOW on systems that do not support O_NOFOLLOW. I can somewhat achieve what I am asking for with: struct stat lst; if (lstat(filename, &lst) != -1 && S_ISLNK(lst.st_mode)) { errno = ELOOP; return -1; } mode_t mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH; int fd = open(filename, O_CREAT | O_WRONLY | O_TRUNC | O_NOFOLLOW, mode); but then I introduce a race condition and possibly a security problem. I thought about maybe creating a dummy file with only the user being able to write, kind of like touching filename, doing the lstat check, and then using chmod after I finish writing (to correct the file mode bits), but I could be overlooking something major (e.g. if the file at filename exists, is not a regular file, or is already a symbolic link). What do you think?

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• Objective-C retain clarification

  - by Maverick

  I'm looking at this code: NSMutableArray *controllers = [[NSMutableArray alloc] init]; for (unsigned i = 0; i < kNumberOfPages; i++) { [controllers addObject:[NSNull null]]; } self.viewControllers = controllers; [controllers release]; Later on... - (void)dealloc { [viewControllers release]; ... } I see that self.viewControllers and controllers now point to the same allocated memory (of type NSMutableArray *), but when I call [controllers release] isn't self.viewControllers released as well, or is setting self.viewControllers = controllers automatically retains that memory?

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• How to make paging off of vertical direction in WWDC2010 photoScroller.

  - by user357383

  In WWDC2010 sample code "photoScroller", in landscape mode, I want to change image size to 480*751. But there is vertical paging in this mode. In this sample, zooming mode doesn't have vertical paging. So I want to same as this. Please teach me how to fix this sample code. I changed this code as follows. - (CGRect)frameForPagingScrollView { CGRect frame = CGRectMake(0, 0, 480, 751); frame.origin.x -= PADDING; frame.size.width += (2 * PADDING); return frame; } Thank you

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• Converting a macro to an inline function

  - by Rob

  I am using some Qt code that adds a VERIFY macro that looks something like this: #define VERIFY(cond) \ { \ bool ok = cond; \ Q_ASSERT(ok); \ } The code can then use it whilst being certain the condition is actually evaluated, e.g.: Q_ASSERT(callSomeFunction()); // callSomeFunction not evaluated in release builds! VERIFY(callSomeFunction()); // callSomeFunction is always evaluated Disliking macros, I would instead like to turn this into an inline function: inline VERIFY(bool condition) { Q_ASSERT(condition); } However, in release builds I am worried that the compiler would optimise out all calls to this function (as Q_ASSERT wouldn't actually do anything.) I am I worrying unnecessarily or is this likely depending on the optimisation flags/compiler/etc.? I guess I could change it to: inline VERIFY(bool condition) { condition; Q_ASSERT(condition); } But, again, the compiler may be clever enough to ignore the call. Is this inline alternative safe for both debug and release builds?

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• Problems installing Memcache (PECL extension)

  - by Petrus

  I have installed memcached fine, and now I will need to install PECL extension memcache. Im running RedHat x86_64 es5. The installation gives me this: downloading memcache-2.2.6.tgz ... Starting to download memcache-2.2.6.tgz (35,957 bytes) ..........done: 35,957 bytes 11 source files, building running: phpize Configuring for: PHP Api Version: 20090626 Zend Module Api No: 20090626 Zend Extension Api No: 220090626 Enable memcache session handler support? [yes] : Notice: Use of undefined constant STDIN - assumed 'STDIN' in PEAR/Frontend/CLI.php on line 304 Warning: fgets() expects parameter 1 to be resource, string given in PEAR/Frontend/CLI.php on line 304 Warning: fgets() expects parameter 1 to be resource, string given in /usr/lib/php/PEAR/Frontend/CLI.php on line 304 building in /root/tmp/pear-build-root/memcache-2.2.6 running: /root/tmp/pear/memcache/configure --enable-memcache-session=yes checking for egrep... grep -E checking for a sed that does not truncate output... /bin/sed checking for cc... cc checking for C compiler default output file name... a.out checking whether the C compiler works... yes checking whether we are cross compiling... no checking for suffix of executables... checking for suffix of object files... o checking whether we are using the GNU C compiler... yes checking whether cc accepts -g... yes checking for cc option to accept ANSI C... none needed checking how to run the C preprocessor... cc -E checking for icc... no checking for suncc... no checking whether cc understands -c and -o together... yes checking for system library directory... lib checking if compiler supports -R... no checking if compiler supports -Wl,-rpath,... yes checking build system type... x86_64-unknown-linux-gnu checking host system type... x86_64-unknown-linux-gnu checking target system type... x86_64-unknown-linux-gnu checking for PHP prefix... /usr checking for PHP includes... -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib checking for PHP extension directory... /usr/lib/php/extensions/no-debug-non-zts-20090626 checking for PHP installed headers prefix... /usr/include/php checking if debug is enabled... no checking if zts is enabled... no checking for re2c... re2c checking for re2c version... invalid configure: WARNING: You will need re2c 0.13.4 or later if you want to regenerate PHP parsers. checking for gawk... gawk checking whether to enable memcache support... yes, shared checking whether to enable memcache session handler support... yes checking for the location of ZLIB... no checking for the location of zlib... /usr checking for session includes... /usr/include/php checking for memcache session support... enabled checking for ld used by cc... /usr/bin/ld checking if the linker (/usr/bin/ld) is GNU ld... yes checking for /usr/bin/ld option to reload object files... -r checking for BSD-compatible nm... /usr/bin/nm -B checking whether ln -s works... yes checking how to recognize dependent libraries... pass_all checking for ANSI C header files... yes checking for sys/types.h... yes checking for sys/stat.h... yes checking for stdlib.h... yes checking for string.h... yes checking for memory.h... yes checking for strings.h... yes checking for inttypes.h... yes checking for stdint.h... yes checking for unistd.h... yes checking dlfcn.h usability... yes checking dlfcn.h presence... yes checking for dlfcn.h... yes checking the maximum length of command line arguments... 98304 checking command to parse /usr/bin/nm -B output from cc object... ok checking for objdir... .libs checking for ar... ar checking for ranlib... ranlib checking for strip... strip checking if cc supports -fno-rtti -fno-exceptions... no checking for cc option to produce PIC... -fPIC checking if cc PIC flag -fPIC works... yes checking if cc static flag -static works... yes checking if cc supports -c -o file.o... yes checking whether the cc linker (/usr/bin/ld -m elf_x86_64) supports shared libraries... yes checking whether -lc should be explicitly linked in... no checking dynamic linker characteristics... GNU/Linux ld.so checking how to hardcode library paths into programs... immediate checking whether stripping libraries is possible... yes checking if libtool supports shared libraries... yes checking whether to build shared libraries... yes checking whether to build static libraries... no creating libtool appending configuration tag "CXX" to libtool configure: creating ./config.status config.status: creating config.h running: make /bin/sh /root/tmp/pear-build-root/memcache-2.2.6/libtool --mode=compile cc -I/usr/include/php -I. -I/root/tmp/pear/memcache -DPHP_ATOM_INC -I/root/tmp/pear-build-root/memcache-2.2.6/include -I/root/tmp/pear-build-root/memcache-2.2.6/main -I/root/tmp/pear/memcache -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib -DHAVE_CONFIG_H -g -O2 -c /root/tmp/pear/memcache/memcache.c -o memcache.lo mkdir .libs cc -I/usr/include/php -I. -I/root/tmp/pear/memcache -DPHP_ATOM_INC -I/root/tmp/pear-build-root/memcache-2.2.6/include -I/root/tmp/pear-build-root/memcache-2.2.6/main -I/root/tmp/pear/memcache -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib -DHAVE_CONFIG_H -g -O2 -c /root/tmp/pear/memcache/memcache.c -fPIC -DPIC -o .libs/memcache.o /bin/sh /root/tmp/pear-build-root/memcache-2.2.6/libtool --mode=compile cc -I/usr/include/php -I. -I/root/tmp/pear/memcache -DPHP_ATOM_INC -I/root/tmp/pear-build-root/memcache-2.2.6/include -I/root/tmp/pear-build-root/memcache-2.2.6/main -I/root/tmp/pear/memcache -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib -DHAVE_CONFIG_H -g -O2 -c /root/tmp/pear/memcache/memcache_queue.c -o memcache_queue.lo cc -I/usr/include/php -I. -I/root/tmp/pear/memcache -DPHP_ATOM_INC -I/root/tmp/pear-build-root/memcache-2.2.6/include -I/root/tmp/pear-build-root/memcache-2.2.6/main -I/root/tmp/pear/memcache -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib -DHAVE_CONFIG_H -g -O2 -c /root/tmp/pear/memcache/memcache_queue.c -fPIC -DPIC -o .libs/memcache_queue.o /bin/sh /root/tmp/pear-build-root/memcache-2.2.6/libtool --mode=compile cc -I/usr/include/php -I. -I/root/tmp/pear/memcache -DPHP_ATOM_INC -I/root/tmp/pear-build-root/memcache-2.2.6/include -I/root/tmp/pear-build-root/memcache-2.2.6/main -I/root/tmp/pear/memcache -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib -DHAVE_CONFIG_H -g -O2 -c /root/tmp/pear/memcache/memcache_standard_hash.c -o memcache_standard_hash.lo cc -I/usr/include/php -I. -I/root/tmp/pear/memcache -DPHP_ATOM_INC -I/root/tmp/pear-build-root/memcache-2.2.6/include -I/root/tmp/pear-build-root/memcache-2.2.6/main -I/root/tmp/pear/memcache -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib -DHAVE_CONFIG_H -g -O2 -c /root/tmp/pear/memcache/memcache_standard_hash.c -fPIC -DPIC -o .libs/memcache_standard_hash.o /bin/sh /root/tmp/pear-build-root/memcache-2.2.6/libtool --mode=compile cc -I/usr/include/php -I. -I/root/tmp/pear/memcache -DPHP_ATOM_INC -I/root/tmp/pear-build-root/memcache-2.2.6/include -I/root/tmp/pear-build-root/memcache-2.2.6/main -I/root/tmp/pear/memcache -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib -DHAVE_CONFIG_H -g -O2 -c /root/tmp/pear/memcache/memcache_consistent_hash.c -o memcache_consistent_hash.lo cc -I/usr/include/php -I. -I/root/tmp/pear/memcache -DPHP_ATOM_INC -I/root/tmp/pear-build-root/memcache-2.2.6/include -I/root/tmp/pear-build-root/memcache-2.2.6/main -I/root/tmp/pear/memcache -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib -DHAVE_CONFIG_H -g -O2 -c /root/tmp/pear/memcache/memcache_consistent_hash.c -fPIC -DPIC -o .libs/memcache_consistent_hash.o /bin/sh /root/tmp/pear-build-root/memcache-2.2.6/libtool --mode=compile cc -I/usr/include/php -I. -I/root/tmp/pear/memcache -DPHP_ATOM_INC -I/root/tmp/pear-build-root/memcache-2.2.6/include -I/root/tmp/pear-build-root/memcache-2.2.6/main -I/root/tmp/pear/memcache -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib -DHAVE_CONFIG_H -g -O2 -c /root/tmp/pear/memcache/memcache_session.c -o memcache_session.lo cc -I/usr/include/php -I. -I/root/tmp/pear/memcache -DPHP_ATOM_INC -I/root/tmp/pear-build-root/memcache-2.2.6/include -I/root/tmp/pear-build-root/memcache-2.2.6/main -I/root/tmp/pear/memcache -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib -DHAVE_CONFIG_H -g -O2 -c /root/tmp/pear/memcache/memcache_session.c -fPIC -DPIC -o .libs/memcache_session.o /bin/sh /root/tmp/pear-build-root/memcache-2.2.6/libtool --mode=link cc -DPHP_ATOM_INC -I/root/tmp/pear-build-root/memcache-2.2.6/include -I/root/tmp/pear-build-root/memcache-2.2.6/main -I/root/tmp/pear/memcache -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib -DHAVE_CONFIG_H -g -O2 -o memcache.la -export-dynamic -avoid-version -prefer-pic -module -rpath /root/tmp/pear-build-root/memcache-2.2.6/modules memcache.lo memcache_queue.lo memcache_standard_hash.lo memcache_consistent_hash.lo memcache_session.lo cc -shared .libs/memcache.o .libs/memcache_queue.o .libs/memcache_standard_hash.o .libs/memcache_consistent_hash.o .libs/memcache_session.o -Wl,-soname -Wl,memcache.so -o .libs/memcache.so creating memcache.la (cd .libs && rm -f memcache.la && ln -s ../memcache.la memcache.la) /bin/sh /root/tmp/pear-build-root/memcache-2.2.6/libtool --mode=install cp ./memcache.la /root/tmp/pear-build-root/memcache-2.2.6/modules cp ./.libs/memcache.so /root/tmp/pear-build-root/memcache-2.2.6/modules/memcache.so cp ./.libs/memcache.lai /root/tmp/pear-build-root/memcache-2.2.6/modules/memcache.la PATH="$PATH:/sbin" ldconfig -n /root/tmp/pear-build-root/memcache-2.2.6/modules ---------------------------------------------------------------------- Libraries have been installed in: /root/tmp/pear-build-root/memcache-2.2.6/modules If you ever happen to want to link against installed libraries in a given directory, LIBDIR, you must either use libtool, and specify the full pathname of the library, or use the `-LLIBDIR' flag during linking and do at least one of the following: - add LIBDIR to the `LD_LIBRARY_PATH' environment variable during execution - add LIBDIR to the `LD_RUN_PATH' environment variable during linking - use the `-Wl,--rpath -Wl,LIBDIR' linker flag - have your system administrator add LIBDIR to `/etc/ld.so.conf' See any operating system documentation about shared libraries for more information, such as the ld(1) and ld.so(8) manual pages. ---------------------------------------------------------------------- Build complete. Don't forget to run 'make test'. running: make INSTALL_ROOT="/root/tmp/pear-build-root/install-memcache-2.2.6" install Installing shared extensions: /root/tmp/pear-build-root/install-memcache-2.2.6/usr/lib/php/extensions/no-debug-non-zts-20090626/ running: find "/root/tmp/pear-build-root/install-memcache-2.2.6" | xargs ls -dils 361232 4 drwxr-xr-x 3 root root 4096 Jan 28 10:47 /root/tmp/pear-build-root/install-memcache-2.2.6 361263 4 drwxr-xr-x 3 root root 4096 Jan 28 10:47 /root/tmp/pear-build-root/install-memcache-2.2.6/usr 361264 4 drwxr-xr-x 3 root root 4096 Jan 28 10:47 /root/tmp/pear-build-root/install-memcache-2.2.6/usr/lib 361265 4 drwxr-xr-x 3 root root 4096 Jan 28 10:47 /root/tmp/pear-build-root/install-memcache-2.2.6/usr/lib/php 361266 4 drwxr-xr-x 3 root root 4096 Jan 28 10:47 /root/tmp/pear-build-root/install-memcache-2.2.6/usr/lib/php/extensions 361267 4 drwxr-xr-x 2 root root 4096 Jan 28 10:47 /root/tmp/pear-build-root/install-memcache-2.2.6/usr/lib/php/extensions/no-debug-non-zts-20090626 361262 236 -rwxr-xr-x 1 root root 235575 Jan 28 10:47 /root/tmp/pear-build-root/install-memcache-2.2.6/usr/lib/php/extensions/no-debug-non-zts-20090626/memcache.so Build process completed successfully Installing '/usr/lib/php/extensions/no-debug-non-zts-20090626/memcache.so' install ok: channel://pecl.php.net/memcache-2.2.6 Extension memcache enabled in php.ini The memcache.so object is not in /usr/local/lib/php/extensions/no-debug-non-zts-20090626 I tried as well to install this extension "memcached 1.0.2 (PHP extension for interfacing with memcached via libmemcached library)" but it failed: downloading memcached-1.0.2.tgz ... Starting to download memcached-1.0.2.tgz (22,724 bytes) ........done: 22,724 bytes 4 source files, building running: phpize Configuring for: PHP Api Version: 20090626 Zend Module Api No: 20090626 Zend Extension Api No: 220090626 building in /root/tmp/pear-build-root/memcached-1.0.2 running: /root/tmp/pear/memcached/configure checking for egrep... grep -E checking for a sed that does not truncate output... /bin/sed checking for cc... cc checking for C compiler default output file name... a.out checking whether the C compiler works... yes checking whether we are cross compiling... no checking for suffix of executables... checking for suffix of object files... o checking whether we are using the GNU C compiler... yes checking whether cc accepts -g... yes checking for cc option to accept ANSI C... none needed checking how to run the C preprocessor... cc -E checking for icc... no checking for suncc... no checking whether cc understands -c and -o together... yes checking for system library directory... lib checking if compiler supports -R... no checking if compiler supports -Wl,-rpath,... yes checking build system type... x86_64-unknown-linux-gnu checking host system type... x86_64-unknown-linux-gnu checking target system type... x86_64-unknown-linux-gnu checking for PHP prefix... /usr checking for PHP includes... -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib checking for PHP extension directory... /usr/lib/php/extensions/no-debug-non-zts-20090626 checking for PHP installed headers prefix... /usr/include/php checking if debug is enabled... no checking if zts is enabled... no checking for re2c... re2c checking for re2c version... invalid configure: WARNING: You will need re2c 0.13.4 or later if you want to regenerate PHP parsers. checking for gawk... gawk checking whether to enable memcached support... yes, shared checking for libmemcached... yes, shared checking whether to enable memcached session handler support... yes checking whether to enable memcached igbinary serializer support... no checking for ZLIB... yes, shared checking for zlib location... /usr checking for session includes... /usr/include/php checking for memcached session support... enabled checking for memcached igbinary support... disabled checking for libmemcached location... configure: error: memcached support requires libmemcached. Use --with-libmemcached-dir= to specify the prefix where libmemcached headers and library are located ERROR: `/root/tmp/pear/memcached/configure' failed The memcached.so object is not in /usr/local/lib/php/extensions/no-debug-non-zts-20090626 Is there a kind soul out there that can solve this puzzle?

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• Fitting an Image to Screen on Rotation iPhone / iPad ?

  - by user356937

  I have been playing around with one of the iPhone examples from Apple' web site (ScrollViewSuite) . I am trying to tweak it a bit so that when I rotate the the iPad the image will fit into the screen in landscape mode vertical. I have been successful in getting the image to rotate, but the image is larger than the height of the landscape screen, so the bottom is below the screen. I would like to image to scale to the height of the landscape screen. I have been playing around with various autoSizingMask attributes without success. The imageView is called "zoomView" this is the actual image which loads into a scrollView called imageScrollView. I am trying to achieve the screen to rotate and look like this.... olsonvox.com/photos/correct.png However, this is what My screen is looking like. olsonvox.com/photos/incorrect.png I would really appreciate some advice or guidance. Below is the RootViewController.m for the project. Blade # import "RootViewController.h" #define ZOOM_VIEW_TAG 100 #define ZOOM_STEP 1.5 #define THUMB_HEIGHT 150 #define THUMB_V_PADDING 25 #define THUMB_H_PADDING 25 #define CREDIT_LABEL_HEIGHT 25 #define AUTOSCROLL_THRESHOLD 30 @interface RootViewController (ViewHandlingMethods) - (void)toggleThumbView; - (void)pickImageNamed:(NSString *)name; - (NSArray *)imageNames; - (void)createThumbScrollViewIfNecessary; - (void)createSlideUpViewIfNecessary; @end @interface RootViewController (AutoscrollingMethods) - (void)maybeAutoscrollForThumb:(ThumbImageView *)thumb; - (void)autoscrollTimerFired:(NSTimer *)timer; - (void)legalizeAutoscrollDistance; - (float)autoscrollDistanceForProximityToEdge:(float)proximity; @end @interface RootViewController (UtilityMethods) - (CGRect)zoomRectForScale:(float)scale withCenter:(CGPoint)center; @end @implementation RootViewController - (void)loadView { [super loadView]; imageScrollView = [[UIScrollView alloc] initWithFrame:[[self view]bounds]]; // this code makes the image resize to the width and height properly. imageScrollView.autoresizingMask = UIViewAutoresizingFlexibleHeight | UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin| UIViewAutoresizingFlexibleBottomMargin| UIViewAutoresizingFlexibleBottomMargin; // TRY SETTNG CENTER HERE SOMEHOW&gt;.... [imageScrollView setBackgroundColor:[UIColor blackColor]]; [imageScrollView setDelegate:self]; [imageScrollView setBouncesZoom:YES]; [[self view] addSubview:imageScrollView]; [self toggleThumbView]; // intitializes with the first image. [self pickImageNamed:@"lookbook1"]; } - (void)dealloc { [imageScrollView release]; [slideUpView release]; [thumbScrollView release]; [super dealloc]; } #pragma mark UIScrollViewDelegate methods - (UIView *)viewForZoomingInScrollView:(UIScrollView *)scrollView { UIView *view = nil; if (scrollView == imageScrollView) { view = [imageScrollView viewWithTag:ZOOM_VIEW_TAG]; } return view; } /************************************** NOTE **************************************/ /* The following delegate method works around a known bug in zoomToRect:animated: */ /* In the next release after 3.0 this workaround will no longer be necessary */ /**********************************************************************************/ - (void)scrollViewDidEndZooming:(UIScrollView *)scrollView withView:(UIView *)view atScale:(float)scale { [scrollView setZoomScale:scale+0.01 animated:NO]; [scrollView setZoomScale:scale animated:NO]; } #pragma mark TapDetectingImageViewDelegate methods - (void)tapDetectingImageView:(TapDetectingImageView *)view gotSingleTapAtPoint:(CGPoint)tapPoint { // Single tap shows or hides drawer of thumbnails. [self toggleThumbView]; } - (void)tapDetectingImageView:(TapDetectingImageView *)view gotDoubleTapAtPoint:(CGPoint)tapPoint { // double tap zooms in float newScale = [imageScrollView zoomScale] * ZOOM_STEP; CGRect zoomRect = [self zoomRectForScale:newScale withCenter:tapPoint]; [imageScrollView zoomToRect:zoomRect animated:YES]; } - (void)tapDetectingImageView:(TapDetectingImageView *)view gotTwoFingerTapAtPoint:(CGPoint)tapPoint { // two-finger tap zooms out float newScale = [imageScrollView zoomScale] / ZOOM_STEP; CGRect zoomRect = [self zoomRectForScale:newScale withCenter:tapPoint]; [imageScrollView zoomToRect:zoomRect animated:YES]; } #pragma mark ThumbImageViewDelegate methods - (void)thumbImageViewWasTapped:(ThumbImageView *)tiv { [self pickImageNamed:[tiv imageName]]; [self toggleThumbView]; } - (void)thumbImageViewStartedTracking:(ThumbImageView *)tiv { [thumbScrollView bringSubviewToFront:tiv]; } // CONTROLS DRAGGING AND DROPPING THUMBNAILS... - (void)thumbImageViewMoved:(ThumbImageView *)draggingThumb { // check if we've moved close enough to an edge to autoscroll, or far enough away to stop autoscrolling [self maybeAutoscrollForThumb:draggingThumb]; /* The rest of this method handles the reordering of thumbnails in the thumbScrollView. See */ /* ThumbImageView.h and ThumbImageView.m for more information about how this works. */ // we'll reorder only if the thumb is overlapping the scroll view if (CGRectIntersectsRect([draggingThumb frame], [thumbScrollView bounds])) { BOOL draggingRight = [draggingThumb frame].origin.x &gt; [draggingThumb home].origin.x ? YES : NO; /* we're going to shift over all the thumbs who live between the home of the moving thumb */ /* and the current touch location. A thumb counts as living in this area if the midpoint */ /* of its home is contained in the area. */ NSMutableArray *thumbsToShift = [[NSMutableArray alloc] init]; // get the touch location in the coordinate system of the scroll view CGPoint touchLocation = [draggingThumb convertPoint:[draggingThumb touchLocation] toView:thumbScrollView]; // calculate minimum and maximum boundaries of the affected area float minX = draggingRight ? CGRectGetMaxX([draggingThumb home]) : touchLocation.x; float maxX = draggingRight ? touchLocation.x : CGRectGetMinX([draggingThumb home]); // iterate through thumbnails and see which ones need to move over for (ThumbImageView *thumb in [thumbScrollView subviews]) { // skip the thumb being dragged if (thumb == draggingThumb) continue; // skip non-thumb subviews of the scroll view (such as the scroll indicators) if (! [thumb isMemberOfClass:[ThumbImageView class]]) continue; float thumbMidpoint = CGRectGetMidX([thumb home]); if (thumbMidpoint &gt;= minX &amp;&amp; thumbMidpoint &lt;= maxX) { [thumbsToShift addObject:thumb]; } } // shift over the other thumbs to make room for the dragging thumb. (if we're dragging right, they shift to the left) float otherThumbShift = ([draggingThumb home].size.width + THUMB_H_PADDING) * (draggingRight ? -1 : 1); // as we shift over the other thumbs, we'll calculate how much the dragging thumb's home is going to move float draggingThumbShift = 0.0; // send each of the shifting thumbs to its new home for (ThumbImageView *otherThumb in thumbsToShift) { CGRect home = [otherThumb home]; home.origin.x += otherThumbShift; [otherThumb setHome:home]; [otherThumb goHome]; draggingThumbShift += ([otherThumb frame].size.width + THUMB_H_PADDING) * (draggingRight ? 1 : -1); } // change the home of the dragging thumb, but don't send it there because it's still being dragged CGRect home = [draggingThumb home]; home.origin.x += draggingThumbShift; [draggingThumb setHome:home]; } } - (void)thumbImageViewStoppedTracking:(ThumbImageView *)tiv { // if the user lets go of the thumb image view, stop autoscrolling [autoscrollTimer invalidate]; autoscrollTimer = nil; } #pragma mark Autoscrolling methods - (void)maybeAutoscrollForThumb:(ThumbImageView *)thumb { autoscrollDistance = 0; // only autoscroll if the thumb is overlapping the thumbScrollView if (CGRectIntersectsRect([thumb frame], [thumbScrollView bounds])) { CGPoint touchLocation = [thumb convertPoint:[thumb touchLocation] toView:thumbScrollView]; float distanceFromLeftEdge = touchLocation.x - CGRectGetMinX([thumbScrollView bounds]); float distanceFromRightEdge = CGRectGetMaxX([thumbScrollView bounds]) - touchLocation.x; if (distanceFromLeftEdge &lt; AUTOSCROLL_THRESHOLD) { autoscrollDistance = [self autoscrollDistanceForProximityToEdge:distanceFromLeftEdge] * -1; // if scrolling left, distance is negative } else if (distanceFromRightEdge &lt; AUTOSCROLL_THRESHOLD) { autoscrollDistance = [self autoscrollDistanceForProximityToEdge:distanceFromRightEdge]; } } // if no autoscrolling, stop and clear timer if (autoscrollDistance == 0) { [autoscrollTimer invalidate]; autoscrollTimer = nil; } // otherwise create and start timer (if we don't already have a timer going) else if (autoscrollTimer == nil) { autoscrollTimer = [NSTimer scheduledTimerWithTimeInterval:(1.0 / 60.0) target:self selector:@selector(autoscrollTimerFired:) userInfo:thumb repeats:YES]; } } - (float)autoscrollDistanceForProximityToEdge:(float)proximity { // the scroll distance grows as the proximity to the edge decreases, so that moving the thumb // further over results in faster scrolling. return ceilf((AUTOSCROLL_THRESHOLD - proximity) / 5.0); } - (void)legalizeAutoscrollDistance { // makes sure the autoscroll distance won't result in scrolling past the content of the scroll view float minimumLegalDistance = [thumbScrollView contentOffset].x * -1; float maximumLegalDistance = [thumbScrollView contentSize].width - ([thumbScrollView frame].size.width + [thumbScrollView contentOffset].x); autoscrollDistance = MAX(autoscrollDistance, minimumLegalDistance); autoscrollDistance = MIN(autoscrollDistance, maximumLegalDistance); } - (void)autoscrollTimerFired:(NSTimer*)timer { [self legalizeAutoscrollDistance]; // autoscroll by changing content offset CGPoint contentOffset = [thumbScrollView contentOffset]; contentOffset.x += autoscrollDistance; [thumbScrollView setContentOffset:contentOffset]; // adjust thumb position so it appears to stay still ThumbImageView *thumb = (ThumbImageView *)[timer userInfo]; [thumb moveByOffset:CGPointMake(autoscrollDistance, 0)]; } #pragma mark View handling methods - (void)toggleThumbView { [self createSlideUpViewIfNecessary]; // no-op if slideUpView has already been created CGRect frame = [slideUpView frame]; if (thumbViewShowing) { frame.origin.y = 0; } else { frame.origin.y = -225; } [UIView beginAnimations:nil context:nil]; [UIView setAnimationDuration:0.3]; [slideUpView setFrame:frame]; [UIView commitAnimations]; thumbViewShowing = !thumbViewShowing; } - (void)pickImageNamed:(NSString *)name { // first remove previous image view, if any [[imageScrollView viewWithTag:ZOOM_VIEW_TAG] removeFromSuperview]; UIImage *image = [UIImage imageNamed:[NSString stringWithFormat:@"%@.jpg", name]]; TapDetectingImageView *zoomView = [[TapDetectingImageView alloc] initWithImage:image]; zoomView.autoresizingMask = UIViewAutoresizingFlexibleWidth ; [zoomView setDelegate:self]; [zoomView setTag:ZOOM_VIEW_TAG]; [imageScrollView addSubview:zoomView]; [imageScrollView setContentSize:[zoomView frame].size]; [zoomView release]; // choose minimum scale so image width fits screen float minScale = [imageScrollView frame].size.width / [zoomView frame].size.width; [imageScrollView setMinimumZoomScale:minScale]; [imageScrollView setZoomScale:minScale]; [imageScrollView setContentOffset:CGPointZero]; } - (NSArray *)imageNames { // the filenames are stored in a plist in the app bundle, so create array by reading this plist NSString *path = [[NSBundle mainBundle] pathForResource:@"Images" ofType:@"plist"]; NSData *plistData = [NSData dataWithContentsOfFile:path]; NSString *error; NSPropertyListFormat format; NSArray *imageNames = [NSPropertyListSerialization propertyListFromData:plistData mutabilityOption:NSPropertyListImmutable format:&amp;format errorDescription:&amp;error]; if (!imageNames) { NSLog(@"Failed to read image names. Error: %@", error); [error release]; } return imageNames; } - (void)createSlideUpViewIfNecessary { if (!slideUpView) { [self createThumbScrollViewIfNecessary]; CGRect bounds = [[self view] bounds]; float thumbHeight = [thumbScrollView frame].size.height; float labelHeight = CREDIT_LABEL_HEIGHT; // create label giving credit for images UILabel *creditLabel = [[UILabel alloc] initWithFrame:CGRectMake(0, thumbHeight, bounds.size.width, labelHeight)]; [creditLabel setBackgroundColor:[UIColor clearColor]]; [creditLabel setTextColor:[UIColor whiteColor]]; // [creditLabel setFont:[UIFont fontWithName:@"Helvetica" size:16]]; // [creditLabel setText:@"SAMPLE TEXT"]; [creditLabel setTextAlignment:UITextAlignmentCenter]; // create container view that will hold scroll view and label CGRect frame = CGRectMake(0.0, -225.00, bounds.size.width+256, thumbHeight + labelHeight); slideUpView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleTopMargin; slideUpView = [[UIView alloc] initWithFrame:frame]; [slideUpView setBackgroundColor:[UIColor blackColor]]; [slideUpView setOpaque:NO]; [slideUpView setAlpha:.75]; [[self view] addSubview:slideUpView]; // add subviews to container view [slideUpView addSubview:thumbScrollView]; [slideUpView addSubview:creditLabel]; [creditLabel release]; } } - (void)createThumbScrollViewIfNecessary { if (!thumbScrollView) { float scrollViewHeight = THUMB_HEIGHT + THUMB_V_PADDING; float scrollViewWidth = [[self view] bounds].size.width; thumbScrollView = [[UIScrollView alloc] initWithFrame:CGRectMake(0, 0, scrollViewWidth, scrollViewHeight)]; [thumbScrollView setCanCancelContentTouches:NO]; [thumbScrollView setClipsToBounds:NO]; // now place all the thumb views as subviews of the scroll view // and in the course of doing so calculate the content width float xPosition = THUMB_H_PADDING; for (NSString *name in [self imageNames]) { UIImage *thumbImage = [UIImage imageNamed:[NSString stringWithFormat:@"%@_thumb.jpg", name]]; if (thumbImage) { ThumbImageView *thumbView = [[ThumbImageView alloc] initWithImage:thumbImage]; [thumbView setDelegate:self]; [thumbView setImageName:name]; CGRect frame = [thumbView frame]; frame.origin.y = THUMB_V_PADDING; frame.origin.x = xPosition; [thumbView setFrame:frame]; [thumbView setHome:frame]; [thumbScrollView addSubview:thumbView]; [thumbView release]; xPosition += (frame.size.width + THUMB_H_PADDING); } } [thumbScrollView setContentSize:CGSizeMake(xPosition, scrollViewHeight)]; } } #pragma mark Utility methods - (CGRect)zoomRectForScale:(float)scale withCenter:(CGPoint)center { CGRect zoomRect; // the zoom rect is in the content view's coordinates. // At a zoom scale of 1.0, it would be the size of the imageScrollView's bounds. // As the zoom scale decreases, so more content is visible, the size of the rect grows. zoomRect.size.height = [imageScrollView frame].size.height / scale; zoomRect.size.width = [imageScrollView frame].size.width / scale; // choose an origin so as to get the right center. zoomRect.origin.x = center.x - (zoomRect.size.width / 2.0); zoomRect.origin.y = center.y - (zoomRect.size.height / 2.0); return zoomRect; } #pragma mark - #pragma mark Rotation support // Ensure that the view controller supports rotation and that the split view can therefore show in both portrait and landscape. - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation { return YES; } @end

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• ASP.NET MVC 2 Released

  - by Ricardo Peres

  Get it while it’s hot from here. Also read the release notes.

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• ASP.NET MVC 2 Released

  Im happy to announce that the final release of ASP.NET MVC 2 is now available for VS 2008/Visual Web Developer 2008 Express with ASP.NET 3.5.  You can download and install it from the following locations: Download ASP.NET MVC 2 using the Microsoft Web Platform Installer Download ASP.NET MVC 2 from the Download Center The final release of VS 2010 and Visual Web Developer 2010 will have ASP.NET MVC 2 built-in so you wont need an additional install in order to use ASP.NET...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Silverlight 4 Tools for VS 2010 and WCF RIA Services Released

  The final release of the Silverlight 4 Tools for Visual Studio 2010 and WCF RIA Services is now available for download.  Download and Install If you already have Visual Studio 2010 installed (or the free Visual Web Developer 2010 Express), then you can install both the Silverlight 4 Tooling Support as well as WCF RIA Services support by downloading and running this setup package (note: please make sure to uninstall the preview release of the Silverlight 4 Tools for VS 2010 if you have...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Windows Azure: Announcing Support for Windows Server 2012 R2 + Some Nice Price Cuts

  - by ScottGu

  Today we released some great updates to Windows Azure: Virtual Machines: Support for Windows Server 2012 R2 Cloud Services: Support for Windows Server 2012 R2 and .NET 4.5.1 Windows Azure Pack: Use Windows Azure features on-premises using Windows Server 2012 R2 Price Cuts: Up to 22% Price Reduction on Memory-Intensive Instances Below are more details about each of the improvements: Virtual Machines: Support for Windows Server 2012 R2 This morning we announced the release of Windows Server 2012 R2 – which is a fantastic update to Windows Server and includes a ton of great enhancements. This morning we are also excited to announce that the general availability image of Windows Server 2012 RC is now supported on Windows Azure.  Windows Azure is the first cloud provider to offer the final release of Windows Server 2012 R2, and it is incredibly easy to launch your own Windows Server 2012 R2 instance with it. To create a new Windows Server 2012 R2 instance simply choose New->Compute->Virtual Machine within the Windows Azure Management Portal.  You can select the “Windows Server 2012 R2” image and create a new Virtual Machine using the “Quick Create” option: Or alternatively click the “From Gallery” option if you want to customize even more configuration options (endpoints, remote powershell, availability set, etc): Creating and instantiating a new Virtual Machine on Windows Azure is very fast.  In fact, the Windows Server 2012 R2 image now deploys and runs 30% faster than previous versions of Windows Server. Once the VM is deployed you can drill into it to track its health and manage its settings: Clicking the “Connect” button allows you to remote desktop into the VM – at which point you can customize and manage it as a full administrator however you want: If you haven’t tried Windows Server 2012 R2 yet – give it a try with Windows Azure.  There is no easier way to get an instance of it up and running! Cloud Services: Support for using Windows Server 2012 R2 with Web and Worker Roles Today’s Windows Azure release also allows you to now use Windows Server 2012 R2 and .NET 4.5.1 within Web and Worker Roles within Cloud Service based applications.  Enabling this is easy.  You can configure existing existing Cloud Service application to use Windows Server 2012 R2 by updating your Cloud Service Configuration File (.cscfg) to use the new “OS Family 4” setting: Or alternatively you can use the Windows Azure Management Portal to update cloud services that are already deployed on Windows Azure.  Simply choose the configure tab on them and select Windows Server 2012 R2 in the Operating System Family dropdown: The approaches above enable you to immediately take advantage of Windows Server 2012 R2 and .NET 4.5.1 and all the great features they provide. Windows Azure Pack: Use Windows Azure features on Windows Server 2012 R2 Today we also made generally available the Windows Azure Pack, which is a free download that enables you to run Windows Azure Technology within your own datacenter, an on-premises private cloud environment, or with one of our service provider/hosting partners who run Windows Server. Windows Azure Pack enables you to use a management portal that has the exact same UI as the Windows Azure Management Portal, and within which you can create and manage Virtual Machines, Web Sites, and Service Bus – all of which can run on Windows Server and System Center.  The services provided with the Windows Azure Pack are consistent with the services offered within our Windows Azure public cloud offering.  This consistency enables organizations and developers to build applications and solutions that can run in any hosting environment – and which use the same development and management approach.  The end result is an offering with incredible flexibility. You can learn more about Windows Azure Pack and download/deploy it today here. Price Cuts: Up to 22% Reduction on Memory Intensive Instances Today we are also reducing prices by up to 22% on our memory-intensive VM instances (specifically our A5, A6, and A7 instances).  These price reductions apply to both Windows and Linux VM instances, as well as for Cloud Service based applications: These price reductions will take effect in November, and will enable you to run applications that demand larger memory (such as SharePoint, Databases, in-memory analytics, etc) even more cost effectively. Summary Today’s release enables you to start using Windows Server 2012 R2 within Windows Azure immediately, and take advantage of our Cloud OS vision both within our datacenters – and using the Windows Azure Pack within both your existing datacenters and those of our partners. If you don’t already have a Windows Azure account, you can sign-up for a free trial and start using all of the above features today.  Then visit the Windows Azure Developer Center to learn more about how to build apps with it. Hope this helps, Scott P.S. In addition to blogging, I am also now using Twitter for quick updates and to share links. Follow me at: twitter.com/scottgu

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• Oracle Database Smart Flash Cache: Only on Oracle Linux and Oracle Solaris

  - by sergio.leunissen

  Oracle Database Smart Flash Cache is a feature that was first introduced with Oracle Database 11g Release 2. Only available on Oracle Linux and Oracle Solaris, this feature increases the size of the database buffer cache without having to add RAM to the system. In effect, it acts as a second level cache on flash memory and will especially benefit read-intensive database applications. The Oracle Database Smart Flash Cache white paper concludes: Available at no additional cost, Database Smart Flash Cache on Oracle Solaris and Oracle Linux has the potential to offer considerable benefit to users of Oracle Database 11g Release 2 with disk-bound read-mostly or read-only workloads, through the simple addition of flash storage such as the Sun Storage F5100 Flash Array or the Sun Flash Accelerator F20 PCIe Card. Read the white paper.

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• Bug Triage

  In this blog post brain dump, I'll attempt to describe the process my team tries to follow when dealing with new bug reports (specifically, code defect reports). This is not official Microsoft policy, just the way we do things… if you do things differently and want to share, you can do so at the bottom in the comments (or on your blog).Feature Triage TeamA subset of the feature crew, the triage team (which has representations from the PM, Dev and QA disciplines), looks at all unassigned bugs at regular intervals. This can be weekly or daily (or other frequency) dependent on which part of the product cycle we are in and what the untriaged bug load looks like. They discuss each bug considering the evidence and make a decision of whether the bug goes from Not Yet Assigned to Assigned (plus the name of the DEV to fix this) or whether it goes from Active to Resolved (which means it gets assigned back to the requestor for closure or further debate if they were not present at the triage meeting). Close to critical milestones, the feature triage team needs to further justify bugs they take to additional higher-level triage teams.Bug Opened = Not Yet AssignedSomeone (typically an SDET from the QA team) creates the bug item (e.g. in TFS), ensuring they populate all the relevant fields including: Title, Description, Repro Steps (including the Actual Result at the end of the steps), attachments of code and/or screenshots, Build number that they observed the issue in, regression details if applicable, how it was found, if a test case exists or needs to be created etc. They also indicate their opinion on the Priority and Severity. The bug status is left as Not Yet Assigned."Issue" versus "Fix for issue"The solution to some bugs is easy to determine, e.g. "bug: the column name is misspelled". Obviously the fix is to correct the spelling – still, the triage team should be explicit and enter the correct spelling in the bug's Description. Note that a bad bug name here would be "bug: fix the spelling of the column" (it describes the solution, rather than the problem).Other solutions are trickier to establish, e.g. "bug: the column header is not accessible (can only be clicked on with the mouse, not reached via keyboard)". What is the correct solution here? The last thing to do is leave this undetermined and just assign it to a developer. The solution has to be entered in the description. Behind this type of a bug usually hides a spec defect or a new feature request.The person opening the bug should focus on describing the issue, rather than the solution. The person indicates what the fix is in their opinion by stating the Expected Result (immediately after stating the Actual Result). If they have a complex suggested solution, that should be split out in a separate part, but the triage team has the final say before assigning it. If the solution is lengthy/complicated to describe, the bug can be assigned to the PM. Note: the strict interpretation suggests that any bug with no clear, obvious solution is always a hole in the spec and should always go to the PM. This also ensures the spec gets updated.Not Yet Assigned - Not Yet Assigned (on someone else's plate)If the bug is observed in our feature, but the cause is actually another team, we change the Area Path (which is the way we identify teams in TFS) and leave it as Not Yet Assigned. The triage team may add more comments as appropriate including potentially changing the repro steps. In some cases, we may even resolve the bug in our area path and open a new bug in the area path of the other team.Even though there is no action on a dev on the team, the bug still needs to be tracked. One way of doing this is to implement some notification system that informs the team when the tracked bug changed status; another way is to occasionally run a global query (against all area paths) for bugs that have been opened by a member of the team and follow up with the current owners for stale bugs.Not Yet Assigned - ResolvedThis state transition can only be made by the Feature Triage Team.0. Sometimes the bug description is not clear and in that case it gets Resolved as More Information Needed, so the original requestor can provide it.After understanding what the bug item is about, the first decision is to determine whether it needs to go to a dev.1. If it is a known bug, it gets resolved as "Duplicate" and linked to the existing bug.2. If it is "By Design" it gets resolved as such, indicating that the triage team does not think this is a bug.3. If the bug does not repro on latest bits, it is resolved as "No Repro"4. The most painful: If it is decided that we cannot fix it for this release it gets resolved as "Postponed" or "Won't Fix". The former is typically due to resources and time constraints, while the latter is due to deciding that it is not important enough to consume our resources in any release (yes, not all bugs must be fixed!). For both cases, there are other factors that contribute to the decision such as: existence of a reasonable workaround, frequency we expect users to encounter the issue, dependencies on other team to offer a solution, whether it breaks a core scenario, whether it prohibits customer feedback on a major feature, is it a regression from a previous release, impact of the fix on other partner teams (e.g. User Education, User Experience, Localization/Globalization), whether this is the right fix, does the fix impact performance goals, and last but not least, severity of bug (e.g. loss of customer data, security threat, crash, hang). The bar for fixing a bug goes up as the release date approaches. The triage team becomes hardnosed about which bugs to take, while the developers are busy resolving assigned bugs thus everyone drives for Zero Bug Bounce (ZBB). ZBB is when you have 0 active bugs older than 48 hours.Not Yet Assigned - AssignedIf the bug is something we decide to fix in this release and the solution is known, then it is assigned to a DEV. This is either the developer that will do the work, or a Lead that can further assign it to one of his developer team based on a load balancing algorithm of their choosing.Sometimes, the triage team needs the dev to do some investigation work before deciding whether to take the fix; similarly, the checkin for the fix may be gated on code review by the triage team. In these cases, these instructions are provided in the comments section of the bug and when the developer is done they notify the triage team for final decision.Additionally, a Priority and Severity (from 0 to 4) has to be entered, e.g. a P0 means "drop anything you are doing and fix this now" whereas a P4 is something you get to after all P0,1,2,3 bugs are fixed.From a testing perspective, if the bug was found through ad-hoc testing or an external team, the decision is made whether test cases should be added to avoid future regressions. This is communicated to the QA team.Assigned - ResolvedWhen the developer receives the bug (they should be checking daily for new bugs on their plate looking at bugs in order of priority and from older to newer) they can send it back to triage if the information is not clear. Otherwise, they investigate the bug, setting the Sub Status to "Investigating"; if they cannot make progress, they set the Sub Status to "Blocked" and discuss this with triage or whoever else can help them get unblocked. Once they are unblocked, they set the Sub Status to "Working on Solution"; once they are code complete they send a code review request, setting the Sub Status to "Fix Available". After the iterative code review process is over and everyone is happy with the fix, the developer checks it in and changes the state of the bug from Active (and Assigned to them) to Resolved (and Assigned to someone else).The developer needs to ensure that when the status is changed to Resolved that it is assigned to a QA person. For example, maybe the PM opened the bug, but it should be a QA person that will verify the fix - the developer needs to manually change the assignee in that case. Typically the QA person will send an email to the original requestor notifying them that the fix is verified.Resolved - ??In all cases above, note that the final state was Resolved. What happens after that? The final step should be Closed. The bug is closed once the QA person verifying the fix is happy with it. If the person is not happy, then they change the state from Resolved to Active, thus sending it back to the developer. If the developer and QA person cannot reach agreement, then triage can be brought into it. An easy way to do that is change the status back to Not Yet Assigned with appropriate comments so the triage team can re-review.It is important to note that only QA can close a bug. That means that if the opener of the bug was a PM, when the bug gets resolved by the dev it may land on the PM's plate and after a quick review, the PM would re-assign to an SDET, which is the only role that can close bugs. One exception to this is if the person that filed the bug is external: in that case, we leave it Resolved and assigned to them and also send them a notification that they need to verify the fix. Another exception is if specialized developer knowledge is needed for verifying the bug fix (e.g. it was a refactoring suggestion bug typically not observable by the user) in which case it is fine to have a developer verify the fix, and ideally a different developer to the one that opened the bug.Other links on bug triageA quick search reveals that others have talked about this subject, e.g. here, here, here, here and here.Your take?If you have other best practices your team uses to deal with incoming bug reports, feel free to share in the comments below or on your blog. Comments about this post welcome at the original blog.

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• Another "Windows 7 entry missing from Grub2" Question

  - by 4x10

  Like many before me had the following problem that after installing Ubuntu (with windows 7 already installed), the grub boot loader wouldnt show windows 7 as a boot option, though i can boot fine if I use the "Choose Boot Device" options on the x220. The difference is that I try using UEFI only so many answers didn't really fit my problem, though i tried several stuffs: after running boot repair it destroyed the ubuntu boot loader custom entry in /etc/grub.d/40_custom for windows which doesnt show up many update-grub and reboots trying windows repair recovery thing while being there i also did bootrec.exe /FixBoot and update-grub and reboot again and finaly because it was so much fun, i installed linux all over again, while formatting and deleting everything linux related before that. Now that i think of it, Ubuntu also didn't notice Windows being there during the Setup and it still doesnt according to the Boot Info from Boot Repair. Boot Info Script 0.61-git-patched [23 April 2012] ============================= Boot Info Summary: =============================== => No boot loader is installed in the MBR of /dev/sda. sda1: __________________________________________________________________________ File system: vfat Boot sector type: Windows 7: FAT32 Boot sector info: No errors found in the Boot Parameter Block. Operating System: Boot files: /efi/Boot/bootx64.efi /efi/ubuntu/grubx64.efi sda2: __________________________________________________________________________ File system: Boot sector type: - Boot sector info: Mounting failed: mount: unknown filesystem type '' sda3: __________________________________________________________________________ File system: ntfs Boot sector type: Windows Vista/7: NTFS Boot sector info: No errors found in the Boot Parameter Block. Operating System: Windows 7 Boot files: /Windows/System32/winload.exe sda4: __________________________________________________________________________ File system: ext4 Boot sector type: - Boot sector info: Operating System: Ubuntu precise (development branch) Boot files: /boot/grub/grub.cfg /etc/fstab sda5: __________________________________________________________________________ File system: ext4 Boot sector type: - Boot sector info: Operating System: Boot files: sda6: __________________________________________________________________________ File system: swap Boot sector type: - Boot sector info: ============================ Drive/Partition Info: ============================= Drive: sda _____________________________________________________________________ Disk /dev/sda: 320.1 GB, 320072933376 bytes 255 heads, 63 sectors/track, 38913 cylinders, total 625142448 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes Partition Boot Start Sector End Sector # of Sectors Id System /dev/sda1 1 625,142,447 625,142,447 ee GPT GUID Partition Table detected. Partition Start Sector End Sector # of Sectors System /dev/sda1 2,048 206,847 204,800 EFI System partition /dev/sda2 206,848 468,991 262,144 Microsoft Reserved Partition (Windows) /dev/sda3 468,992 170,338,303 169,869,312 Data partition (Windows/Linux) /dev/sda4 170,338,304 330,338,304 160,000,001 Data partition (Windows/Linux) /dev/sda5 330,338,305 617,141,039 286,802,735 Data partition (Windows/Linux) /dev/sda6 617,141,040 625,141,040 8,000,001 Swap partition (Linux) "blkid" output: ________________________________________________________________ Device UUID TYPE LABEL /dev/sda1 885C-ED1B vfat /dev/sda3 EE06CC0506CBCCB1 ntfs /dev/sda4 604dd3b2-64ca-4200-b8fb-820e8d0ca899 ext4 /dev/sda5 d62515fd-8120-4a74-b17b-0bdf244124a3 ext4 /dev/sda6 7078b649-fb2a-4c59-bd03-fd31ef440d37 swap ================================ Mount points: ================================= Device Mount_Point Type Options /dev/sda1 /boot/efi vfat (rw) /dev/sda4 / ext4 (rw,errors=remount-ro) /dev/sda5 /home ext4 (rw) =========================== sda4/boot/grub/grub.cfg: =========================== -------------------------------------------------------------------------------- # # DO NOT EDIT THIS FILE # # It is automatically generated by grub-mkconfig using templates # from /etc/grub.d and settings from /etc/default/grub # ### BEGIN /etc/grub.d/00_header ### if [ -s $prefix/grubenv ]; then set have_grubenv=true load_env fi set default="0" if [ "${prev_saved_entry}" ]; then set saved_entry="${prev_saved_entry}" save_env saved_entry set prev_saved_entry= save_env prev_saved_entry set boot_once=true fi function savedefault { if [ -z "${boot_once}" ]; then saved_entry="${chosen}" save_env saved_entry fi } function recordfail { set recordfail=1 if [ -n "${have_grubenv}" ]; then if [ -z "${boot_once}" ]; then save_env recordfail; fi; fi } function load_video { insmod efi_gop insmod efi_uga insmod video_bochs insmod video_cirrus } insmod part_gpt insmod ext2 set root='(hd0,gpt4)' search --no-floppy --fs-uuid --set=root 604dd3b2-64ca-4200-b8fb-820e8d0ca899 if loadfont /usr/share/grub/unicode.pf2 ; then set gfxmode=auto load_video insmod gfxterm insmod part_gpt insmod ext2 set root='(hd0,gpt4)' search --no-floppy --fs-uuid --set=root 604dd3b2-64ca-4200-b8fb-820e8d0ca899 set locale_dir=($root)/boot/grub/locale set lang=en_US insmod gettext fi terminal_output gfxterm if [ "${recordfail}" = 1 ]; then set timeout=-1 else set timeout=10 fi ### END /etc/grub.d/00_header ### ### BEGIN /etc/grub.d/05_debian_theme ### set menu_color_normal=white/black set menu_color_highlight=black/light-gray if background_color 44,0,30; then clear fi ### END /etc/grub.d/05_debian_theme ### ### BEGIN /etc/grub.d/10_linux ### function gfxmode { set gfxpayload="$1" if [ "$1" = "keep" ]; then set vt_handoff=vt.handoff=7 else set vt_handoff= fi } if [ ${recordfail} != 1 ]; then if [ -e ${prefix}/gfxblacklist.txt ]; then if hwmatch ${prefix}/gfxblacklist.txt 3; then if [ ${match} = 0 ]; then set linux_gfx_mode=keep else set linux_gfx_mode=text fi else set linux_gfx_mode=text fi else set linux_gfx_mode=keep fi else set linux_gfx_mode=text fi export linux_gfx_mode if [ "$linux_gfx_mode" != "text" ]; then load_video; fi menuentry 'Ubuntu, with Linux 3.2.0-20-generic' --class ubuntu --class gnu-linux --class gnu --class os { recordfail gfxmode $linux_gfx_mode insmod gzio insmod part_gpt insmod ext2 set root='(hd0,gpt4)' search --no-floppy --fs-uuid --set=root 604dd3b2-64ca-4200-b8fb-820e8d0ca899 linux /boot/vmlinuz-3.2.0-20-generic root=UUID=604dd3b2-64ca-4200-b8fb-820e8d0ca899 ro quiet splash $vt_handoff initrd /boot/initrd.img-3.2.0-20-generic } menuentry 'Ubuntu, with Linux 3.2.0-20-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os { recordfail insmod gzio insmod part_gpt insmod ext2 set root='(hd0,gpt4)' search --no-floppy --fs-uuid --set=root 604dd3b2-64ca-4200-b8fb-820e8d0ca899 echo 'Loading Linux 3.2.0-20-generic ...' linux /boot/vmlinuz-3.2.0-20-generic root=UUID=604dd3b2-64ca-4200-b8fb-820e8d0ca899 ro recovery nomodeset echo 'Loading initial ramdisk ...' initrd /boot/initrd.img-3.2.0-20-generic } ### END /etc/grub.d/10_linux ### ### BEGIN /etc/grub.d/20_linux_xen ### ### END /etc/grub.d/20_linux_xen ### ### BEGIN /etc/grub.d/20_memtest86+ ### menuentry "Memory test (memtest86+)" { insmod part_gpt insmod ext2 set root='(hd0,gpt4)' search --no-floppy --fs-uuid --set=root 604dd3b2-64ca-4200-b8fb-820e8d0ca899 linux16 /boot/memtest86+.bin } menuentry "Memory test (memtest86+, serial console 115200)" { insmod part_gpt insmod ext2 set root='(hd0,gpt4)' search --no-floppy --fs-uuid --set=root 604dd3b2-64ca-4200-b8fb-820e8d0ca899 linux16 /boot/memtest86+.bin console=ttyS0,115200n8 } ### END /etc/grub.d/20_memtest86+ ### ### BEGIN /etc/grub.d/30_os-prober ### ### END /etc/grub.d/30_os-prober ### ### BEGIN /etc/grub.d/40_custom ### # This file provides an easy way to add custom menu entries. Simply type the # menu entries you want to add after this comment. Be careful not to change # the 'exec tail' line above. ### END /etc/grub.d/40_custom ### ### BEGIN /etc/grub.d/41_custom ### if [ -f $prefix/custom.cfg ]; then source $prefix/custom.cfg; fi ### END /etc/grub.d/41_custom ### -------------------------------------------------------------------------------- =============================== sda4/etc/fstab: ================================ -------------------------------------------------------------------------------- # /etc/fstab: static file system information. # # Use 'blkid' to print the universally unique identifier for a # device; this may be used with UUID= as a more robust way to name devices # that works even if disks are added and removed. See fstab(5). # # <file system> <mount point> <type> <options> <dump> <pass> proc /proc proc nodev,noexec,nosuid 0 0 # / was on /dev/sda4 during installation UUID=604dd3b2-64ca-4200-b8fb-820e8d0ca899 / ext4 errors=remount-ro 0 1 # /boot/efi was on /dev/sda1 during installation UUID=885C-ED1B /boot/efi vfat defaults 0 1 # /home was on /dev/sda5 during installation UUID=d62515fd-8120-4a74-b17b-0bdf244124a3 /home ext4 defaults 0 2 # swap was on /dev/sda6 during installation UUID=7078b649-fb2a-4c59-bd03-fd31ef440d37 none swap sw 0 0 -------------------------------------------------------------------------------- =================== sda4: Location of files loaded by Grub: ==================== GiB - GB File Fragment(s) 129.422874451 = 138.966753280 boot/grub/grub.cfg 1 83.059570312 = 89.184534528 boot/initrd.img-3.2.0-20-generic 2 101.393131256 = 108.870045696 boot/vmlinuz-3.2.0-20-generic 1 83.059570312 = 89.184534528 initrd.img 2 101.393131256 = 108.870045696 vmlinuz 1 ADDITIONAL INFORMATION : =================== log of boot-repair 2012-04-25__23h40 =================== boot-repair version : 3.18-0ppa3~precise boot-sav version : 3.18-0ppa4~precise glade2script version : 0.3.2.1-0ppa7~precise internet: connected python-software-properties version : 0.82.7 0 upgraded, 0 newly installed, 1 reinstalled, 0 to remove and 591 not upgraded. dpkg-preconfigure: unable to re-open stdin: No such file or directory boot-repair is executed in installed-session (Ubuntu precise (development branch) , precise , Ubuntu , x86_64) WARNING: GPT (GUID Partition Table) detected on '/dev/sda'! The util fdisk doesn't support GPT. Use GNU Parted. =================== OSPROBER: /dev/sda4:The OS now in use - Ubuntu precise (development branch) CurrentSession:linux =================== BLKID: /dev/sda3: UUID="EE06CC0506CBCCB1" TYPE="ntfs" /dev/sda1: UUID="885C-ED1B" TYPE="vfat" /dev/sda4: UUID="604dd3b2-64ca-4200-b8fb-820e8d0ca899" TYPE="ext4" /dev/sda5: UUID="d62515fd-8120-4a74-b17b-0bdf244124a3" TYPE="ext4" /dev/sda6: UUID="7078b649-fb2a-4c59-bd03-fd31ef440d37" TYPE="swap" 1 disks with OS, 1 OS : 1 Linux, 0 MacOS, 0 Windows, 0 unknown type OS. WARNING: GPT (GUID Partition Table) detected on '/dev/sda'! The util sfdisk doesn't support GPT. Use GNU Parted. =================== /etc/default/grub : # If you change this file, run 'update-grub' afterwards to update # /boot/grub/grub.cfg. # For full documentation of the options in this file, see: # info -f grub -n 'Simple configuration' GRUB_DEFAULT=0 #GRUB_HIDDEN_TIMEOUT=0 #GRUB_HIDDEN_TIMEOUT_QUIET=true GRUB_TIMEOUT=10 GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian` GRUB_CMDLINE_LINUX_DEFAULT="quiet splash" GRUB_CMDLINE_LINUX="" # Uncomment to enable BadRAM filtering, modify to suit your needs # This works with Linux (no patch required) and with any kernel that obtains # the memory map information from GRUB (GNU Mach, kernel of FreeBSD ...) #GRUB_BADRAM="0x01234567,0xfefefefe,0x89abcdef,0xefefefef" # Uncomment to disable graphical terminal (grub-pc only) #GRUB_TERMINAL=console # The resolution used on graphical terminal # note that you can use only modes which your graphic card supports via VBE # you can see them in real GRUB with the command `vbeinfo' #GRUB_GFXMODE=640x480 # Uncomment if you don't want GRUB to pass "root=UUID=xxx" parameter to Linux #GRUB_DISABLE_LINUX_UUID=true # Uncomment to disable generation of recovery mode menu entries #GRUB_DISABLE_RECOVERY="true" # Uncomment to get a beep at grub start #GRUB_INIT_TUNE="480 440 1" EFI_OF_PART[1] (, ) =================== dmesg | grep EFI : [ 0.000000] EFI v2.00 by Lenovo [ 0.000000] Kernel-defined memdesc doesn't match the one from EFI! [ 0.000000] EFI: mem00: type=3, attr=0xf, range=[0x0000000000000000-0x0000000000001000) (0MB) [ 0.000000] EFI: mem01: type=7, attr=0xf, range=[0x0000000000001000-0x000000000004e000) (0MB) [ 0.000000] EFI: mem02: type=3, attr=0xf, range=[0x000000000004e000-0x0000000000058000) (0MB) [ 0.000000] EFI: mem03: type=10, attr=0xf, range=[0x0000000000058000-0x0000000000059000) (0MB) [ 0.000000] EFI: mem04: type=7, attr=0xf, range=[0x0000000000059000-0x000000000005e000) (0MB) [ 0.000000] EFI: mem05: type=4, attr=0xf, range=[0x000000000005e000-0x000000000005f000) (0MB) [ 0.000000] EFI: mem06: type=3, attr=0xf, range=[0x000000000005f000-0x00000000000a0000) (0MB) [ 0.000000] EFI: mem07: type=2, attr=0xf, range=[0x0000000000100000-0x00000000005b9000) (4MB) [ 0.000000] EFI: mem08: type=7, attr=0xf, range=[0x00000000005b9000-0x0000000020000000) (506MB) [ 0.000000] EFI: mem09: type=0, attr=0xf, range=[0x0000000020000000-0x0000000020200000) (2MB) [ 0.000000] EFI: mem10: type=7, attr=0xf, range=[0x0000000020200000-0x00000000364e4000) (354MB) [ 0.000000] EFI: mem11: type=2, attr=0xf, range=[0x00000000364e4000-0x000000003726a000) (13MB) [ 0.000000] EFI: mem12: type=7, attr=0xf, range=[0x000000003726a000-0x0000000040000000) (141MB) [ 0.000000] EFI: mem13: type=0, attr=0xf, range=[0x0000000040000000-0x0000000040200000) (2MB) [ 0.000000] EFI: mem14: type=7, attr=0xf, range=[0x0000000040200000-0x000000009df35000) (1501MB) [ 0.000000] EFI: mem15: type=2, attr=0xf, range=[0x000000009df35000-0x00000000d39a0000) (858MB) [ 0.000000] EFI: mem16: type=4, attr=0xf, range=[0x00000000d39a0000-0x00000000d39c0000) (0MB) [ 0.000000] EFI: mem17: type=7, attr=0xf, range=[0x00000000d39c0000-0x00000000d5df5000) (36MB) [ 0.000000] EFI: mem18: type=4, attr=0xf, range=[0x00000000d5df5000-0x00000000d6990000) (11MB) [ 0.000000] EFI: mem19: type=7, attr=0xf, range=[0x00000000d6990000-0x00000000d6b82000) (1MB) [ 0.000000] EFI: mem20: type=1, attr=0xf, range=[0x00000000d6b82000-0x00000000d6b9f000) (0MB) [ 0.000000] EFI: mem21: type=7, attr=0xf, range=[0x00000000d6b9f000-0x00000000d77b0000) (12MB) [ 0.000000] EFI: mem22: type=4, attr=0xf, range=[0x00000000d77b0000-0x00000000d780a000) (0MB) [ 0.000000] EFI: mem23: type=7, attr=0xf, range=[0x00000000d780a000-0x00000000d7826000) (0MB) [ 0.000000] EFI: mem24: type=4, attr=0xf, range=[0x00000000d7826000-0x00000000d7868000) (0MB) [ 0.000000] EFI: mem25: type=7, attr=0xf, range=[0x00000000d7868000-0x00000000d7869000) (0MB) [ 0.000000] EFI: mem26: type=4, attr=0xf, range=[0x00000000d7869000-0x00000000d786a000) (0MB) [ 0.000000] EFI: mem27: type=7, attr=0xf, range=[0x00000000d786a000-0x00000000d786b000) (0MB) [ 0.000000] EFI: mem28: type=4, attr=0xf, range=[0x00000000d786b000-0x00000000d786c000) (0MB) [ 0.000000] EFI: mem29: type=7, attr=0xf, range=[0x00000000d786c000-0x00000000d786d000) (0MB) [ 0.000000] EFI: mem30: type=4, attr=0xf, range=[0x00000000d786d000-0x00000000d825f000) (9MB) [ 0.000000] EFI: mem31: type=7, attr=0xf, range=[0x00000000d825f000-0x00000000d8261000) (0MB) [ 0.000000] EFI: mem32: type=4, attr=0xf, range=[0x00000000d8261000-0x00000000d82f7000) (0MB) [ 0.000000] EFI: mem33: type=7, attr=0xf, range=[0x00000000d82f7000-0x00000000d82f8000) (0MB) [ 0.000000] EFI: mem34: type=4, attr=0xf, range=[0x00000000d82f8000-0x00000000d8705000) (4MB) [ 0.000000] EFI: mem35: type=7, attr=0xf, range=[0x00000000d8705000-0x00000000d8706000) (0MB) [ 0.000000] EFI: mem36: type=4, attr=0xf, range=[0x00000000d8706000-0x00000000d8761000) (0MB) [ 0.000000] EFI: mem37: type=7, attr=0xf, range=[0x00000000d8761000-0x00000000d8768000) (0MB) [ 0.000000] EFI: mem38: type=4, attr=0xf, range=[0x00000000d8768000-0x00000000d9b9f000) (20MB) [ 0.000000] EFI: mem39: type=7, attr=0xf, range=[0x00000000d9b9f000-0x00000000d9e4c000) (2MB) [ 0.000000] EFI: mem40: type=2, attr=0xf, range=[0x00000000d9e4c000-0x00000000d9e52000) (0MB) [ 0.000000] EFI: mem41: type=3, attr=0xf, range=[0x00000000d9e52000-0x00000000da59f000) (7MB) [ 0.000000] EFI: mem42: type=5, attr=0x800000000000000f, range=[0x00000000da59f000-0x00000000da6c3000) (1MB) [ 0.000000] EFI: mem43: type=5, attr=0x800000000000000f, range=[0x00000000da6c3000-0x00000000da79f000) (0MB) [ 0.000000] EFI: mem44: type=6, attr=0x800000000000000f, range=[0x00000000da79f000-0x00000000da8b1000) (1MB) [ 0.000000] EFI: mem45: type=6, attr=0x800000000000000f, range=[0x00000000da8b1000-0x00000000da99f000) (0MB) [ 0.000000] EFI: mem46: type=0, attr=0xf, range=[0x00000000da99f000-0x00000000daa22000) (0MB) [ 0.000000] EFI: mem47: type=0, attr=0xf, range=[0x00000000daa22000-0x00000000daa9b000) (0MB) [ 0.000000] EFI: mem48: type=0, attr=0xf, range=[0x00000000daa9b000-0x00000000daa9c000) (0MB) [ 0.000000] EFI: mem49: type=0, attr=0xf, range=[0x00000000daa9c000-0x00000000daa9f000) (0MB) [ 0.000000] EFI: mem50: type=10, attr=0xf, range=[0x00000000daa9f000-0x00000000daadd000) (0MB) [ 0.000000] EFI: mem51: type=10, attr=0xf, range=[0x00000000daadd000-0x00000000dab9f000) (0MB) [ 0.000000] EFI: mem52: type=9, attr=0xf, range=[0x00000000dab9f000-0x00000000dabdc000) (0MB) [ 0.000000] EFI: mem53: type=9, attr=0xf, range=[0x00000000dabdc000-0x00000000dabff000) (0MB) [ 0.000000] EFI: mem54: type=4, attr=0xf, range=[0x00000000dabff000-0x00000000dac00000) (0MB) [ 0.000000] EFI: mem55: type=7, attr=0xf, range=[0x0000000100000000-0x000000021e600000) (4582MB) [ 0.000000] EFI: mem56: type=11, attr=0x8000000000000001, range=[0x00000000f80f8000-0x00000000f80f9000) (0MB) [ 0.000000] EFI: mem57: type=11, attr=0x8000000000000001, range=[0x00000000fed1c000-0x00000000fed20000) (0MB) [ 0.000000] ACPI: UEFI 00000000dabde000 0003E (v01 LENOVO TP-8D 00001280 PTL 00000002) [ 0.000000] ACPI: UEFI 00000000dabdd000 00042 (v01 PTL COMBUF 00000001 PTL 00000001) [ 0.000000] ACPI: UEFI 00000000dabdc000 00292 (v01 LENOVO TP-8D 00001280 PTL 00000002) [ 0.795807] fb0: EFI VGA frame buffer device [ 1.057243] EFI Variables Facility v0.08 2004-May-17 [ 9.122104] fb: conflicting fb hw usage inteldrmfb vs EFI VGA - removing generic driver ReadEFI: /dev/sda , N 128 , 0 , , PRStart 1024 , PRSize 128 WARNING: GPT (GUID Partition Table) detected on '/dev/sda'! The util fdisk doesn't support GPT. Use GNU Parted. =================== PARTITIONS & DISKS: sda4 : sda, not-sepboot, grubenv-ok grub2, grub-efi, update-grub, 64, with-boot, is-os, gpt-but-not-EFI, fstab-has-bad-efi, no-nt, no-winload, no-recov-nor-hid, no-bmgr, no-grldr, no-b-bcd, apt-get, grub-install, . sda3 : sda, maybesepboot, no-grubenv nogrub, no-docgrub, no-update-grub, 32, no-boot, no-os, gpt-but-not-EFI, part-has-no-fstab, no-nt, haswinload, no-recov-nor-hid, no-bmgr, no-grldr, no-b-bcd, nopakmgr, nogrubinstall, /mnt/boot-sav/sda3. sda1 : sda, maybesepboot, no-grubenv nogrub, no-docgrub, no-update-grub, 32, no-boot, no-os, is-correct-EFI, part-has-no-fstab, no-nt, no-winload, no-recov-nor-hid, no-bmgr, no-grldr, no-b-bcd, nopakmgr, nogrubinstall, /boot/efi. sda5 : sda, maybesepboot, no-grubenv nogrub, no-docgrub, no-update-grub, 32, no-boot, no-os, gpt-but-not-EFI, part-has-no-fstab, no-nt, no-winload, no-recov-nor-hid, no-bmgr, no-grldr, no-b-bcd, nopakmgr, nogrubinstall, /home. sda : GPT-BIS, GPT, no-BIOS_boot, has-correctEFI, 2048 sectors * 512 bytes =================== PARTED: Model: ATA HITACHI HTS72323 (scsi) Disk /dev/sda: 320GB Sector size (logical/physical): 512B/512B Partition Table: gpt Number Start End Size File system Name Flags 1 1049kB 106MB 105MB fat32 EFI system partition boot 2 106MB 240MB 134MB Microsoft reserved partition msftres 3 240MB 87.2GB 87.0GB ntfs Basic data partition 4 87.2GB 169GB 81.9GB ext4 5 169GB 316GB 147GB ext4 6 316GB 320GB 4096MB linux-swap(v1) =================== MOUNT: /dev/sda4 on / type ext4 (rw,errors=remount-ro) proc on /proc type proc (rw,noexec,nosuid,nodev) sysfs on /sys type sysfs (rw,noexec,nosuid,nodev) none on /sys/fs/fuse/connections type fusectl (rw) none on /sys/kernel/debug type debugfs (rw) none on /sys/kernel/security type securityfs (rw) udev on /dev type devtmpfs (rw,mode=0755) devpts on /dev/pts type devpts (rw,noexec,nosuid,gid=5,mode=0620) tmpfs on /run type tmpfs (rw,noexec,nosuid,size=10%,mode=0755) none on /run/lock type tmpfs (rw,noexec,nosuid,nodev,size=5242880) none on /run/shm type tmpfs (rw,nosuid,nodev) /dev/sda1 on /boot/efi type vfat (rw) /dev/sda5 on /home type ext4 (rw) gvfs-fuse-daemon on /home/vierlex/.gvfs type fuse.gvfs-fuse-daemon (rw,nosuid,nodev,user=vierlex) /dev/sda3 on /mnt/boot-sav/sda3 type fuseblk (rw,nosuid,nodev,allow_other,blksize=4096) /sys/block/sda: alignment_offset bdi capability dev device discard_alignment events events_async events_poll_msecs ext_range holders inflight power queue range removable ro sda1 sda2 sda3 sda4 sda5 sda6 size slaves stat subsystem trace uevent /dev: agpgart autofs block bsg btrfs-control bus char console core cpu cpu_dma_latency disk dri ecryptfs fb0 fd full fuse hpet input kmsg log mapper mcelog mei mem net network_latency network_throughput null oldmem port ppp psaux ptmx pts random rfkill rtc rtc0 sda sda1 sda2 sda3 sda4 sda5 sda6 sg0 shm snapshot snd stderr stdin stdout tpm0 uinput urandom usbmon0 usbmon1 usbmon2 v4l vga_arbiter video0 watchdog zero /dev/mapper: control /boot/efi: EFI /boot/efi/EFI: Boot Microsoft ubuntu /boot/efi/efi: Boot Microsoft ubuntu /boot/efi/efi/Boot: bootx64.efi /boot/efi/efi/ubuntu: grubx64.efi WARNING: GPT (GUID Partition Table) detected on '/dev/sda'! The util fdisk doesn't support GPT. Use GNU Parted. =================== DF: Filesystem Type Size Used Avail Use% Mounted on /dev/sda4 ext4 77G 4.1G 69G 6% / udev devtmpfs 3.9G 12K 3.9G 1% /dev tmpfs tmpfs 1.6G 864K 1.6G 1% /run none tmpfs 5.0M 0 5.0M 0% /run/lock none tmpfs 3.9G 152K 3.9G 1% /run/shm /dev/sda1 vfat 96M 18M 79M 19% /boot/efi /dev/sda5 ext4 137G 2.2G 128G 2% /home /dev/sda3 fuseblk 81G 30G 52G 37% /mnt/boot-sav/sda3 =================== FDISK: Disk /dev/sda: 320.1 GB, 320072933376 bytes 255 heads, 63 sectors/track, 38913 cylinders, total 625142448 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0xf34fe538 Device Boot Start End Blocks Id System /dev/sda1 1 625142447 312571223+ ee GPT =================== Before mainwindow FSCK no PASTEBIN yes WUBI no WINBOOT yes recommendedrepair, purge, QTY_OF_PART_FOR_REINSTAL 1 no-kernel-purge UNHIDEBOOT_ACTION yes (10s), noflag () PART_TO_REINSTALL_GRUB sda4, FORCE_GRUB no (sda) REMOVABLEDISK no USE_SEPARATEBOOTPART no (sda3) grub2 () UNCOMMENT_GFXMODE no ATA ADD_KERNEL_OPTION no (acpi=off) MBR_TO_RESTORE ( ) EFI detected. Please check the options. =================== Actions FSCK no PASTEBIN yes WUBI no WINBOOT no bootinfo, nombraction, QTY_OF_PART_FOR_REINSTAL 1 no-kernel-purge UNHIDEBOOT_ACTION no (10s), noflag () PART_TO_REINSTALL_GRUB sda4, FORCE_GRUB no (sda) REMOVABLEDISK no USE_SEPARATEBOOTPART no (sda3) grub2 () UNCOMMENT_GFXMODE no ATA ADD_KERNEL_OPTION no (acpi=off) MBR_TO_RESTORE ( ) No change has been performed on your computer. See you soon! internet: connected Thanks for your time and attention. EDIT: additional Info Request =No boot loader is installed in the MBR of /dev/sda. But maybe this is how it is supposed to work? yea this is ok. boot stuff seems to be on a seperate partition, in my case sda1. I'm very new to this UEFI thing too. missing files like bootmgr i don't really have a clue :D but yea, maybe thats how it suppose to be? Instead and whats not shown in the log for some reason: There is additional microsoft bootfiles on sda1 under /efi/microsoft/ [much stuff] I remember also doing some kind of hack to make a UEFI windows 7 usb stick. http://jake.io/b/2011/installing-windows-7-with-uefi-boot-on-an-x220-from-usb/ In short: creating and placing bootx64.efi on the stick so it can be booted in UEFI mode. boot order i decide that in my BIOS. i read somwhere that the thinkpad x220 (essential part of the serial number: 4921 http://www.lenovo.com/shop/americas/content/user_guides/x220_x220i_x220tablet_x220itablet_ug_en.pdf) doesnt really have UEFI interface or something, still, these 2 options are listed with all the other usual devices you can give a boot priority to. Right now it looks like this: Boot Priority Order 1. ubuntu 2. Windows Boot Manager 3. USB FDD 4. USB HDD 5. ATA HDD0 HITACHI [random string]

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• Some VS 2010 RC Updates (including patches for Intellisense and Web Designer fixes)

  [In addition to blogging, I am also now using Twitter for quick updates and to share links. Follow me at: twitter.com/scottgu] We are continuing to make progress on shipping Visual Studio 2010.  Id like to say a big thank you to everyone who has downloaded and tried out the VS 2010 Release Candidate, and especially to those who have sent us feedback or reported issues with it. This data has been invaluable in helping us find and fix remaining bugs before we ship the final release. Last...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• SQL Server and Hyper-V Dynamic Memory Part 2

  - by SQLOS Team

  Part 1 of this series was an introduction and overview of Hyper-V Dynamic Memory. This part looks at SQL Server memory management and how the SQL engine responds to changing OS memory conditions.   Part 2: SQL Server Memory Management As with any Windows process, sqlserver.exe has a virtual address space (VAS) of 4GB on 32-bit and 8TB in 64-bit editions. Pages in its VAS are mapped to pages in physical memory when the memory is committed and referenced for the first time. The collection of VAS pages that have been recently referenced is known as the Working Set. How and when SQL Server allocates virtual memory and grows its working set depends on the memory model it uses. SQL Server supports three basic memory models:   1. Conventional Memory Model   The Conventional model is the default SQL Server memory model and has the following properties: - Dynamic - can grow or shrink its working set in response to load and external (operating system) memory conditions. - OS uses 4K pages – (not to be confused with SQL Server “pages” which are 8K regions of committed memory).- Pageable - Can be paged out to disk by the operating system.   2. Locked Page Model The locked page memory model is set when SQL Server is started with "Lock Pages in Memory" privilege*. It has the following characteristics: - Dynamic - can grow or shrink its working set in the same way as the Conventional model.- OS uses 4K pages - Non-Pageable – When memory is committed it is locked in memory, meaning that it will remain backed by physical memory and will not be paged out by the operating system. A common misconception is to interpret "locked" as non-dynamic. A SQL Server instance using the locked page memory model will grow and shrink (allocate memory and release memory) in response to changing workload and OS memory conditions in the same way as it does with the conventional model.   This is an important consideration when we look at Hyper-V Dynamic Memory – “locked” memory works perfectly well with “dynamic” memory.   * Note in “Denali” (Standard Edition and above), and in SQL 2008 R2 64-bit (Enterprise and above editions) the Lock Pages in Memory privilege is all that is required to set this model. In 2008 R2 64-Bit standard edition it also requires trace flag 845 to be set, in 2008 R2 32-bit editions it requires sp_configure 'awe enabled' 1.   3. Large Page Model The Large page model is set using trace flag 834 and potentially offers a small performance boost for systems that are configured with large pages. It is characterized by: - Static - memory is allocated at startup and does not change. - OS uses large (>2MB) pages - Non-Pageable The large page model is supported with Hyper-V Dynamic Memory (and Hyper-V also supports large pages), but you get no benefit from using Dynamic Memory with this model since SQL Server memory does not grow or shrink. The rest of this article will focus on the locked and conventional SQL Server memory models.   When does SQL Server grow? For “dynamic” configurations (Conventional and Locked memory models), the sqlservr.exe process grows – allocates and commits memory from the OS – in response to a workload. As much memory is allocated as is required to optimally run the query and buffer data for future queries, subject to limitations imposed by:   - SQL Server max server memory setting. If this configuration option is set, the buffer pool is not allowed to grow to more than this value. In SQL Server 2008 this value represents single page allocations, and in “Denali” it represents any size page allocations and also managed CLR procedure allocations.   - Memory signals from OS. The operating system sets a signal on memory resource notification objects to indicate whether it has memory available or whether it is low on available memory. If there is only 32MB free for every 4GB of memory a low memory signal is set, which continues until 64MB/4GB is free. If there is 96MB/4GB free the operating system sets a high memory signal. SQL Server only allocates memory when the high memory signal is set.   To summarize, for SQL Server to grow you need three conditions: a workload, max server memory setting higher than the current allocation, high memory signals from the OS.    When does SQL Server shrink caches? SQL Server as a rule does not like to return memory to the OS, but it will shrink its caches in response to memory pressure. Memory pressure can be divided into “internal” and “external”.   - External memory pressure occurs when the operating system is running low on memory and low memory signals are set. The SQL Server Resource Monitor checks for low memory signals approximately every 5 seconds and it will attempt to free memory until the signals stop.   To free memory SQL Server does the following: ·         Frees unused memory. ·         Notifies Memory Manager Clients to release memory o   Caches – Free unreferenced cache objects. o   Buffer pool - Based on oldest access times.   The freed memory is released back to the operating system. This process continues until the low memory resource notifications stop.    - Internal memory pressure occurs when the size of different caches and allocations increase but the SQL Server process needs to keep its total memory within a target value. For example if max server memory is set and certain caches are growing large, it will cause SQL to free memory for re-use internally, but not to release memory back to the OS. If you lower the value of max server memory you will generate internal memory pressure that will cause SQL to release memory back to the OS.    Memory pressure handling has not changed much since SQL 2005 and it was described in detail in a blog post by Slava Oks.   Note that SQL Server Express is an exception to the above behavior. Unlike other editions it does not assume it is the most important process running on the system but tries to be more “desktop” friendly. It will empty its working set after a period of inactivity.   How does SQL Server respond to changing OS memory?    In SQL Server 2005 support for Hot-Add memory was introduced. This feature, available in Enterprise and above editions, allows the server to make use of any extra physical memory that was added after SQL Server started. Being able to add physical memory when the system is running is limited to specialized hardware, but with the Hyper-V Dynamic Memory feature, when new memory is allocated to a guest virtual machine, it looks like hot-add physical memory to the guest. What this means is that thanks to the hot-add memory feature, SQL Server 2005 and higher can dynamically grow if more “physical” memory is granted to a guest VM by Hyper-V dynamic memory.   SQL Server checks OS memory every second and dynamically adjusts its “target” (based on available OS memory and max server memory) accordingly.   In “Denali” Standard Edition will also have sqlserver.exe support for hot-add memory when running virtualized (i.e. detecting and acting on Hyper-V Dynamic Memory allocations).   How does a SQL Server workload in a guest VM impact Hyper-V dynamic memory scheduling?   When a SQL workload causes the sqlserver.exe process to grow its working set, the Hyper-V memory scheduler will detect memory pressure in the guest VM and add memory to it. SQL Server will then detect the extra memory and grow according to workload demand. In our tests we have seen this feedback process cause a guest VM to grow quickly in response to SQL workload - we are still working on characterizing this ramp-up.    How does SQL Server respond when Hyper-V removes memory from a guest VM through ballooning?   If pressure from other VM's cause Hyper-V Dynamic Memory to take memory away from a VM through ballooning (allocating memory with a virtual device driver and returning it to the host OS), Windows Memory Manager will page out unlocked portions of memory and signal low resource notification events. When SQL Server detects these events it will shrink memory until the low memory notifications stop (see cache shrinking description above).    This raises another question. Can we make SQL Server release memory more readily and hence behave more "dynamically" without compromising performance? In certain circumstances where the application workload is predictable it may be possible to have a job which varies "max server memory" according to need, lowering it when the engine is inactive and raising it before a period of activity. This would have limited applicaability but it is something we're looking into.   What Memory Management changes are there in SQL Server “Denali”?   In SQL Server “Denali” (aka SQL11) the Memory Manager has been re-written to be more efficient. The main changes are summarized in this post. An important change with respect to Hyper-V Dynamic Memory support is that now the max server memory setting includes any size page allocations and managed CLR procedure allocations it now represents a closer approximation to total sqlserver.exe memory usage. This makes it easier to calculate a value for max server memory, which becomes important when configuring virtual machines to work well with Hyper-V Dynamic Memory Startup and Maximum RAM settings.   Another important change is no more AWE or hot-add support for 32-bit edition. This means if you're running a 32-bit edition of Denali you're limited to a 4GB address space and will not be able to take advantage of dynamically added OS memory that wasn't present when SQL Server started (though Hyper-V Dynamic Memory is still a supported configuration).   In part 3 we’ll develop some best practices for configuring and using SQL Server with Dynamic Memory. Originally posted at http://blogs.msdn.com/b/sqlosteam/

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